October 1923

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Features

With the Editors, October 1923

A Sunken Boulevard for Automobiles

Protecting Our Great Banks

Armor of Concrete and Steel that Aims to Foil the Scientific Cracksman

By Edward H. Smith

Some Curious Comestibles

Amazing Articles of Food that May be Unearthed in Odd Corners of American Cities

By L. Lodian

With the Men Who Fly-I

Recent Achievements in Practical Aviation, Such as the Coast-to-Coast Flight, Better Engines and Arrangements for Night Flying

By Alexander Klemin

Our Abrams Investigation--I.

Some Preliminary Impressions Regarding the Electronic Reactions of Abrams

The Six-Meter International Cup Race

Practical Criminology at Work

Some of the Adventures of the Scientific Modern Detective

By Norman G. Meade

Behind the Underwriters' Label

The Gruelling Tests Imposed by the Insurance Man Upon Materials and Appliances

By A. G. Ingalls

Automobile Race Track on Factory Roof, The Acid Test for the Eight-Wheel Truck

Electric Welder Vs. Riveter

The Past Successes and Future Promises of Electric Welding

A Rudder that Turns Itself, Proof of Einstein's Theory from the Atom

By Ernst Foerster

Psychic Adventures on the Continent

Sittings with an Apport Medium in Berlin, and Interviews with Several Notables

By J. Malcolm Bird

A Waterproof Motor for Lifeboats, A Veteran Locomotive

By H. C.

Smashing Dishes to Solve their Secrets

Why Uncle Sam Breaks 6,000 Samples of Plate and Window Glass and More than 2,000 Pieces of China In Novel Tests

By George H. Dacy

Stucco Investigation

A Novel Use for Sugar-Cane Waste, A New Silver Which does not Stain, and more

Recently Patented Inventions, October 1923

The Scientific American Digest

Electrical Notes, October 1923

Radio Notes, October 1923

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Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

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